What's It Mean?
On both March 21st and September 23rd the Sun's rays strike the Earth surface perpendicular at what latitude?
What is the Equator?
What month of the year do we experience the spring equinox?
What is March?
We are moving into the season of fall. If you live in Australia right now, you'd be preparing to enter what season?
What is spring?
Which layer in the atmosphere has the highest concentration of water?
What is the Troposphere?
During the greenhouse effect, after the Earth absorbs light from the sun, it sends light back out towards space. This is the type of light the Earth sends out into space.
What is infrared?